www.baumer.com/motion

Incremental encoders

1

MA20 with mounting accessories

Features

– Encoder with 16 predefined resolutions

– Max. 25000 pulses per revolution

– Measuring wheel circumference 200 mm

– Manual adjustment without any programming tool

– Contact pressure seamlessly adjustable

– Different degrees of rubber hardness for optimal grip

Technical data - electrical ratings

Voltage supply

4.75...30 VDC

Consumption typ.

100 mA (24 VDC, w/o load)

Pulses per revolution

100...25000

Sensing method

Optical

Output frequency

≤300 kHz

Output signals

A 90° B

Output stages

Push-pull antivalent,

short-circuit proof (HTL)

Interference immunity

DIN EN 61000-6-2

Emitted interference

DIN EN 61000-6-3

MA20

Technical data - mechanical design

Size (flange)

ø40 mm

Shaft type

ø6 mm solid shaft

Protection DIN EN 60529 IP 64

Operating speed

≤3000 rpm

Operating torque typ.

0.0075 Nm (3000 rpm / 20 °C)

Materials

Encoder housing: aluminium

Measuring arm: Aluminium/steel

Measuring wheel: Aluminium/

NBR

Operating temperature

-20...+85 °C

Relative humidity

95 % non-condensing

Resistance

DIN EN 60068-2-6

Vibration 10 g, 10-200 Hz

DIN EN 60068-2-27

Shock 50 g, 11 ms

Connection

Connector M12, 8-pin

Cable 2 m

Weight approx.

100 g

With measuring arm and wheel

100...25000 manual adjustable

90°

CHA

CHA comp.

CHB

CHB comp.

Counter clockwise rotating direction when looking at the flange.

Output signals

Switch

Resolution

Switch

Resolution

0

100

8

2000

1

200

9

2048 (default)

2

360

A

2500

3

500

B

3600

4

512

C

5000

5

720

D

10000

6

1000

E

20000

7

1024

F

25000

Switch setting (HEX switch)